Founding Engineer
mangodesk
Company Overview
We're a YC-backed startup on a mission to bridge the gap between AI and the $5T knowledge work economy through cutting-edge data infrastructure and environments. We're a technical team with experience from Scale AI, Uber, and previously founding a successful AI company. We’re based in San Francisco, CA, and recently raised an oversubscribed seed round led by top-tier VCs.
Required Qualifications
Strong technical / computer science fundamentals.
Experience building production-grade backend / full-stack systems
Deep understanding of scalability challenges and good system design.
The ability to take ambiguous requirements, conduct research, analyze tradeoffs, and own project execution end-to-end, balancing speed vs reliability.
Strong communication skills and a bias toward ownership
Preferred Qualifications
2+ years of experience as a SWE
Prior experience at startups / high-growth companies
Experience with applied AI / AI research - specifically in post-training / RL
- ...Perks Meals in the office Health insurance Unlimited PTO About This Role This is a backend- and systems-heavy founding engineering role where “full-stack” means owning the product and system end to end. The role is based at our San Francisco office, in...SuggestedFull timeH1bWork at officeVisa sponsorship
$200k - $300k
...is supporting an early-stage AI infrastructure client in San Francisco in the search for a highly skilled Senior/Staff Founding Full-Stack Engineer Agent Systems. The successful candidate will join the companys early-stage team and help build complex systems from the...SuggestedFull timeH1bWork at officeVisa sponsorshipMonday to Friday- ...strategic operators. Now we need to build fast enough to match customer demand. The Role This is not a typical engineering role. You’ll be our founding engineer, with an outsized role in how the product, company, and engineering culture evolve. You’ll write code,...Suggested
$150k - $250k
...invited SignalFire to our investor group. Now, we’re hiring the founding team that will scale Blueberry across the world’s largest... ...authentically engage their customers at scale. As our Founding Engineer, you’ll be a co-architect of everything we build at Blueberry....SuggestedWork at officeLocal areaImmediate startShift work- ...tl;dr: This is a 1 of 1 role. We're looking for a founding engineer to work alongside a Thiel Fellow founder as employee #1 - with 5X more equity than most "founding engineers". About Empathic “…but I tell you all today, I would rather die a man than live for all...SuggestedInternshipWork at office
$150k - $250k
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$175k - $240k
...startups. Compensation ~ Typical base: $175K to $240K ~9 founding roles top out at $300K+. Joining early doesn't mean a pay cut.... ...call. Many roles include equity. Who's hiring ~53 founding engineer roles open in NYC, 37 in SF, across full stack, AI, backend and...Live in$200k - $250k
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$180k - $230k
...(CTO) and Chirag (CEO) are the team today. You'd be the second engineer: real-time voice, generative UI that redraws itself based on who... ...without being asked. Comp Base: $180-230K Equity: Founding-caliber Location: In-person, San Francisco Process 4...Live inWork at office- ...We are looking for a founding engineer who wants to build deeply technical AI systems in one of the most important and regulated industries in the world. You will work directly with the founders to: Build agentic workflows for clinical trial automation Design reliable...
- ...agent work, and typed checks plus human review make the work inspectable before it is trusted. The role We're hiring a founding engineer to build the systems that make this workflow reliable. You will work close to the architecture and help decide what needs to exist...Immediate startRemote work
- ...or wallet, and buy stocks. Our core belief is that U.S. equities should be as open as the dollar. Role You’ll be our Founding Engineer. You will lead the implementation of our hedging engine: the system thatdrives the execution of every order on the platform and...Weekend work
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- ...As a Founding Engineer, you will work directly with the founders to build production-grade multi-agent systems, backend infrastructure, and financial data systems that power research and live trading. What You'll Do Technical Development - Design and ship new features...
$100k - $150k
...Engineering · San Francisco · $100k - $150k + equity We run a PCB design firm that ships real hardware, and we're building the AI workflows that automate a big chunk of the work along the way. You'll take full ownership of client projects, but you won't be doing it...$160k - $200k
...well-backed by top-tier investors, and moving quickly toward its next stage of growth. Founded 2024 · ~12 people · Industry: B2B SaaS, AI, Fintech The Role As a Founding Engineer, you would join a small, product-minded engineering team and own core features end-to-...Full timeVisa sponsorship$150k - $250k
...combining one of the largest structured indices of real-world places and events with a clever, social product experience. As a Founding Engineer , you'll own problems end-to-end, work directly with founders, and make architectural decisions that shape the core system....RelocationVisa sponsorship- ...Pacific and Eastern time, and Pacific time hours are preferred. We are helping an early stage, venture backed AI company hire founding engineers. The company builds AI agents that take slow, repetitive document work off the plates of large professional services firms,...Permanent employmentFull timeRemote work
$180k - $250k
...Job Description Job Description Founding Engineer - Applied AI Company: Confidential — stealth startup building AI for complex hardware manufacturers Location: San Francisco, CA (in person highly preferred; exceptional remote candidates considered) Compensation...Full timeRemote work$175k - $225k
...Job Description Job Description About the Role Join an early-stage consumer AI startup as a Founding Engineer — a rare 1-of-1 role working directly alongside the founding team to shape both the product and engineering culture. This company is building a real-time...Full timeVisa sponsorship$180k - $220k
...framework. About the Role You will be the company's third employee, reporting directly to the Head of Engineering and working alongside a two-person founding team with deep roots in highly regulated environments and direct experience serving the customer base the company...Full timeWork at officeRemote workFlexible hours$150k - $300k
...optimize cash, debt, budgeting, expenses, investing, and taxes. Founded in 2025 by a former senior financial-services leader at a... ...native financial operating system. We are hiring a Founding Engineer to become the company's first technical hire and build the product...Full timeContract workH1bRemote workVisa sponsorship- ...premiere Talent Partner and Executive Search Solution. We were founded on the fact that technical recruiting is most fruitful via partnership... ...Stay hungry. Stay HMBL. We're seeking a Founding Software Engineer for an early staged AI & LLM startup based in San Francisco....
$150k - $220k
...Description Job Description About the Role A seed-stage AI data infrastructure startup in San Francisco is looking for a Founding Engineer with 1+ years of professional experience shipping to production. This is a foundational hire at an early-stage company...$200k - $300k
...Job Description Job Description About the Role A fast-moving, early-stage startup in San Francisco is looking for a Founding Engineer to join as one of the first technical hires. This is a rare opportunity to work directly with the founding team, own product decisions...Relocation$7.5k
...Job Description Job Description Founding GTM Engineer (Series A Fintech / EdTech) Location: San Francisco, CA or Phoenix, AZ (In-Person, Full Time) | Seniority: Founding / Senior IC | Equity: Meaningful Founding Stake The Mission: Architecting the Financial...Full timeLive inWork at officeWork from homeRelocationVisa sponsorshipRelocation package
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